Matt Baker and Anita Rani are on the Hoo Peninsula. Matt hears how it's a landscape that's been shaped over the years by 'saltshepherds' and 'muddies', whilst Anita sees how fleece and feather work together to protect the huge numbers of birds that flock to the area. And there's a sense of spring in the air with lots of new arrivals down on Adam's Farm. Tom Heap looks at what leaving the EU could mean for the UK's agricultural migrant labour force and the farms that employ them.